Tretinoin combined with minoxidil may improve hair regrowth, especially in difficult areas like temples, but requires diligent scalp cleaning. Some users suggest oral minoxidil as a more potent and less irritating alternative.
Tretinoin may enhance minoxidil absorption, potentially improving hair regrowth when combined with microneedling. Users discuss various treatments like minoxidil, finasteride, dutasteride, and microneedling, with mixed results and concerns about side effects and scarring.
Tretinoin and microneedling both enhance hair growth through different mechanisms, with microneedling being considered safe for long-term use. Optimal microneedling needle length varies, but 0.8 mm is suggested for hair growth, and a Dermastamp is recommended to avoid skin damage.
Tretinoin may enhance the effectiveness of minoxidil for hair regrowth by increasing enzyme activity and skin permeability, but its standalone impact is limited. Some users experienced improved hair growth with tretinoin, while others found it worsened their condition.
Tretinoin may enhance the effectiveness of minoxidil for some users, though experiences vary. Some users report better results with oral minoxidil compared to adding tretinoin.